ltt/branches/poly/lttv/modules/gui/lttvwindow/lttvwindow/callbacks.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 XangXiu Yang
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include <config.h>
  21 #endif
  22
  23 #include <gtk/gtk.h>
  24
  25 #include "callbacks.h"
  26 #include "interface.h"
  27 #include "support.h"
  28 #include <ltt/trace.h>
  29 #include <ltt/facility.h>
  30 #include <ltt/time.h>
  31 #include <ltt/event.h>
  32 #include <lttv/lttv.h>
  33 #include <lttv/module.h>
  34 #include <lttv/iattribute.h>
  35 #include <lttv/stats.h>
  36 #include <lttvwindow/mainwindow.h>
  37 #include <lttvwindow/menu.h>
  38 #include <lttvwindow/toolbar.h>
  39 #include <lttvwindow/viewer.h>
  40 #include <lttvwindow/gtkdirsel.h>
  41 #include <lttvwindow/lttvfilter.h>
  42
  43 #define PATH_LENGTH          256
  44 #define DEFAULT_TIME_WIDTH_S   1
  45
  46 extern LttvTrace *g_init_trace ;
  47
  48
  49 /** Array containing instanced objects. */
  50 extern GSList * g_main_window_list;
  51
  52 static int g_win_count = 0;
  53
  54 /** MD : keep old directory. */
  55 static char remember_plugins_dir[PATH_LENGTH] = "";
  56 static char remember_trace_dir[PATH_LENGTH] = "";
  57
  58
  59 MainWindow * get_window_data_struct(GtkWidget * widget);
  60 char * get_unload_module(char ** loaded_module_name, int nb_module);
  61 char * get_remove_trace(char ** all_trace_name, int nb_trace);
  62 char * get_selection(char ** all_name, int nb, char *title, char * column_title);
  63 gboolean get_filter_selection(LttvTracesetSelector *s, char *title, char * column_title);
  64 void * create_tab(MainWindow * parent, MainWindow * current_window,
  65                   GtkNotebook * notebook, char * label);
  66
  67 void insert_viewer(GtkWidget* widget, lttvwindow_viewer_constructor constructor);
  68 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store );
  69
  70 void checkbox_changed(GtkTreeView *treeview,
  71                       GtkTreePath *arg1,
  72                       GtkTreeViewColumn *arg2,
  73                       gpointer user_data);
  74 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i);
  75 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * trace);
  76
  77 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset);
  78
  79 void call_pending_read_hooks(MainWindow * mw_data);
  80 unsigned get_max_event_number(MainWindow * mw_data);
  81
  82 enum {
  83   CHECKBOX_COLUMN,
  84   NAME_COLUMN,
  85   TOTAL_COLUMNS
  86 };
  87
  88 enum
  89 {
  90   MODULE_COLUMN,
  91   N_COLUMNS
  92 };
  93
  94 /* Construct a selector(filter), which will be associated with a viewer,
  95  * and provides an interface for user to select interested events and traces
  96  */
  97
  98 LttvTracesetSelector * construct_traceset_selector(LttvTraceset * traceset)
  99 {
 100   LttvTracesetSelector  * s;
 101   LttvTraceSelector     * trace;
 102   LttvTracefileSelector * tracefile;
 103   LttvEventtypeSelector * eventtype;
 104   int i, j, k, m;
 105   int nb_trace, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 106   LttvTrace * trace_v;
 107   LttTrace  * t;
 108   LttTracefile *tf;
 109   LttFacility * fac;
 110   LttEventType * et;
 111
 112   s = lttv_traceset_selector_new(lttv_traceset_name(traceset));
 113   nb_trace = lttv_traceset_number(traceset);
 114   for(i=0;i<nb_trace;i++){
 115     trace_v = lttv_traceset_get(traceset, i);
 116     t       = lttv_trace(trace_v);
 117     trace   = lttv_trace_selector_new(t);
 118     lttv_traceset_selector_trace_add(s, trace);
 119
 120     nb_facility = ltt_trace_facility_number(t);
 121     for(k=0;k<nb_facility;k++){
 122       fac = ltt_trace_facility_get(t,k);
 123       nb_event = (int) ltt_facility_eventtype_number(fac);
 124       for(m=0;m<nb_event;m++){
 125         et = ltt_facility_eventtype_get(fac,m);
 126         eventtype = lttv_eventtype_selector_new(et);
 127         lttv_trace_selector_eventtype_add(trace, eventtype);
 128       }
 129     }
 130
 131     nb_control = ltt_trace_control_tracefile_number(t);
 132     nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 133     nb_tracefile = nb_control + nb_per_cpu;
 134
 135     for(j = 0 ; j < nb_tracefile ; j++) {
 136       if(j < nb_control)
 137         tf = ltt_trace_control_tracefile_get(t, j);
 138       else
 139         tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 140       tracefile = lttv_tracefile_selector_new(tf);
 141       lttv_trace_selector_tracefile_add(trace, tracefile);
 142       lttv_eventtype_selector_copy(trace, tracefile);
 143     }
 144   }
 145   return s;
 146 }
 147
 148
 149 /* insert_viewer function constructs an instance of a viewer first,
 150  * then inserts the widget of the instance into the container of the
 151  * main window
 152  */
 153
 154 void
 155 insert_viewer_wrap(GtkWidget *menuitem, gpointer user_data)
 156 {
 157   guint val = 20;
 158
 159   insert_viewer((GtkWidget*)menuitem, (lttvwindow_viewer_constructor)user_data);
 160   //  selected_hook(&val);
 161 }
 162
 163
 164 /* internal functions */
 165 void insert_viewer(GtkWidget* widget, lttvwindow_viewer_constructor constructor)
 166 {
 167   GtkMultiVPaned * multi_vpaned;
 168   MainWindow * mw_data;
 169   GtkWidget * viewer;
 170   LttvTracesetSelector  * s;
 171   TimeInterval * time_interval;
 172
 173   mw_data = get_window_data_struct(widget);
 174   if(!mw_data->current_tab) return;
 175   multi_vpaned = mw_data->current_tab->multi_vpaned;
 176
 177   s = construct_traceset_selector(mw_data->current_tab->traceset_info->traceset);
 178   viewer = (GtkWidget*)constructor(mw_data, s, "Traceset_Selector");
 179   if(viewer)
 180   {
 181     gtk_multi_vpaned_widget_add(multi_vpaned, viewer);
 182     // We unref here, because it is now referenced by the multi_vpaned!
 183     g_object_unref(G_OBJECT(viewer));
 184
 185     // The viewer will show itself when it receives a show notify
 186     // So we call the show notify hooks here. It will
 187     // typically add hooks for reading, we call process trace, and the
 188     // end of reading hook will call gtk_widget_show and unregister the
 189     // hooks.
 190     // Note that show notify gets the time_requested through the call_data.
 191     //show_viewer(mw_data);
 192     // in expose now call_pending_read_hooks(mw_data);
 193   }
 194 }
 195
 196
 197 /* get_label function is used to get user input, it displays an input
 198  * box, which allows user to input a string
 199  */
 200
 201 void get_label_string (GtkWidget * text, gchar * label)
 202 {
 203   GtkEntry * entry = (GtkEntry*)text;
 204   if(strlen(gtk_entry_get_text(entry))!=0)
 205     strcpy(label,gtk_entry_get_text(entry));
 206 }
 207
 208 gboolean get_label(MainWindow * mw, gchar * str, gchar* dialogue_title, gchar * label_str)
 209 {
 210   GtkWidget * dialogue;
 211   GtkWidget * text;
 212   GtkWidget * label;
 213   gint id;
 214
 215   dialogue = gtk_dialog_new_with_buttons(dialogue_title,NULL,
 216                                          GTK_DIALOG_MODAL,
 217                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
 218                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 219                                          NULL);
 220
 221   label = gtk_label_new(label_str);
 222   gtk_widget_show(label);
 223
 224   text = gtk_entry_new();
 225   gtk_widget_show(text);
 226
 227   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), label,TRUE, TRUE,0);
 228   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), text,FALSE, FALSE,0);
 229
 230   id = gtk_dialog_run(GTK_DIALOG(dialogue));
 231   switch(id){
 232     case GTK_RESPONSE_ACCEPT:
 233       get_label_string(text,str);
 234       gtk_widget_destroy(dialogue);
 235       break;
 236     case GTK_RESPONSE_REJECT:
 237     default:
 238       gtk_widget_destroy(dialogue);
 239       return FALSE;
 240   }
 241   return TRUE;
 242 }
 243
 244
 245 /* get_window_data_struct function is actually a lookup function,
 246  * given a widget which is in the tree of the main window, it will
 247  * return the MainWindow data structure associated with main window
 248  */
 249
 250 MainWindow * get_window_data_struct(GtkWidget * widget)
 251 {
 252   GtkWidget * mw;
 253   MainWindow * mw_data;
 254
 255   mw = lookup_widget(widget, "MWindow");
 256   if(mw == NULL){
 257     g_printf("Main window does not exist\n");
 258     return;
 259   }
 260
 261   mw_data = (MainWindow *) g_object_get_data(G_OBJECT(mw),"mainWindow");
 262   if(mw_data == NULL){
 263     g_printf("Main window data does not exist\n");
 264     return;
 265   }
 266   return mw_data;
 267 }
 268
 269
 270 /* create_new_window function, just constructs a new main window
 271  */
 272
 273 void create_new_window(GtkWidget* widget, gpointer user_data, gboolean clone)
 274 {
 275   MainWindow * parent = get_window_data_struct(widget);
 276
 277   if(clone){
 278     g_printf("Clone : use the same traceset\n");
 279     construct_main_window(parent);
 280   }else{
 281     g_printf("Empty : traceset is set to NULL\n");
 282     construct_main_window(NULL);
 283   }
 284 }
 285
 286
 287 /* move_*_viewer functions move the selected view up/down in
 288  * the current tab
 289  */
 290
 291 void move_up_viewer(GtkWidget * widget, gpointer user_data)
 292 {
 293   MainWindow * mw = get_window_data_struct(widget);
 294   if(!mw->current_tab) return;
 295   gtk_multi_vpaned_widget_move_up(mw->current_tab->multi_vpaned);
 296 }
 297
 298 void move_down_viewer(GtkWidget * widget, gpointer user_data)
 299 {
 300   MainWindow * mw = get_window_data_struct(widget);
 301   if(!mw->current_tab) return;
 302   gtk_multi_vpaned_widget_move_down(mw->current_tab->multi_vpaned);
 303 }
 304
 305
 306 /* delete_viewer deletes the selected viewer in the current tab
 307  */
 308
 309 void delete_viewer(GtkWidget * widget, gpointer user_data)
 310 {
 311   MainWindow * mw = get_window_data_struct(widget);
 312   if(!mw->current_tab) return;
 313   gtk_multi_vpaned_widget_delete(mw->current_tab->multi_vpaned);
 314 }
 315
 316
 317 /* open_traceset will open a traceset saved in a file
 318  * Right now, it is not finished yet, (not working)
 319  * FIXME
 320  */
 321
 322 void open_traceset(GtkWidget * widget, gpointer user_data)
 323 {
 324   char ** dir;
 325   gint id;
 326   LttvTraceset * traceset;
 327   MainWindow * mw_data = get_window_data_struct(widget);
 328   GtkFileSelection * file_selector =
 329     (GtkFileSelection *)gtk_file_selection_new("Select a traceset");
 330
 331   gtk_file_selection_hide_fileop_buttons(file_selector);
 332
 333   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 334   switch(id){
 335     case GTK_RESPONSE_ACCEPT:
 336     case GTK_RESPONSE_OK:
 337       dir = gtk_file_selection_get_selections (file_selector);
 338       traceset = lttv_traceset_load(dir[0]);
 339       g_printf("Open a trace set %s\n", dir[0]);
 340       //Not finished yet
 341       g_strfreev(dir);
 342     case GTK_RESPONSE_REJECT:
 343     case GTK_RESPONSE_CANCEL:
 344     default:
 345       gtk_widget_destroy((GtkWidget*)file_selector);
 346       break;
 347   }
 348
 349 }
 350
 351
 352 /* get_max_event_number returns the event number limit used by
 353  * lttv_process_traceset(LttvTracesetContext, endTime, maxNumEvents)
 354  * each viewer can set the limit
 355  */
 356
 357 unsigned get_max_event_number(MainWindow * mw_data)
 358 {
 359   unsigned nb = 0, *size;
 360   GtkWidget * w;
 361
 362   w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 363   while(w){
 364     size = (unsigned*)g_object_get_data(G_OBJECT(w), MAX_NUMBER_EVENT);
 365     if(size == NULL){
 366       nb = G_MAXULONG;
 367       break;
 368     }else{
 369       if(nb < *size)
 370         nb = *size;
 371     }
 372     w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 373   }
 374   return nb;
 375 }
 376
 377
 378 /* call_pending_read_hooks parses the traceset first by calling
 379  * process_traceset, then display all viewers of
 380  * the current tab
 381  * It will then remove all entries from the time_requests array.
 382  */
 383
 384 gint compare_time_request(TimeRequest *a, TimeRequest *b)
 385 {
 386   return ltt_time_compare(a->time_window.start_time, b->time_window.start_time);
 387 }
 388
 389 void call_pending_read_hooks(MainWindow * mw_data)
 390 {
 391   unsigned max_nb_events;
 392   GdkWindow * win;
 393   GdkCursor * new;
 394   GtkWidget* widget;
 395   int i;
 396   LttvTracesetContext *tsc;
 397
 398   /* Current tab check : if no current tab is present, no hooks to call. */
 399   /* It makes the expose works.. */
 400   if(mw_data->current_tab == NULL)
 401     return;
 402
 403   if(mw_data->current_tab->time_requests->len == 0)
 404     return;
 405
 406   LttvHooks *tmp_hooks = lttv_hooks_new();
 407
 408   tsc =
 409    LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 410                             traceset_context);
 411
 412   //set the cursor to be X shape, indicating that the computer is busy in doing its job
 413   new = gdk_cursor_new(GDK_X_CURSOR);
 414   widget = lookup_widget(mw_data->mwindow, "MToolbar1");
 415   win = gtk_widget_get_parent_window(widget);
 416   gdk_window_set_cursor(win, new);
 417   gdk_cursor_unref(new);
 418   gdk_window_stick(win);
 419   gdk_window_unstick(win);
 420
 421
 422   g_array_sort(mw_data->current_tab->time_requests,
 423                (GCompareFunc)compare_time_request);
 424
 425
 426   //update time window of each viewer, let viewer insert hooks needed by process_traceset
 427   //lttvwindow_report_time_window(mw_data, time_window);
 428
 429   //max_nb_events = get_max_event_number(mw_data);
 430
 431   //call hooks to show each viewer and let them remove hooks
 432   //show_viewer(mw_data);
 433
 434   // FIXME
 435   // call process trace for each time interval
 436   // Will have to be combined!
 437   g_critical("SIZE time req len  : %d", mw_data->current_tab->time_requests->len);
 438
 439   //g_assert(mw_data->current_tab->time_requests->len <= 1); //FIXME
 440   /* Go through each time request. As they are already sorted by start_time,
 441    * we check with the current event time if processing is needed. */
 442   for(i=0; i < mw_data->current_tab->time_requests->len; i++)
 443   {
 444     g_critical("RUN i %d", i);
 445     TimeRequest *time_request =
 446         &g_array_index(mw_data->current_tab->time_requests, TimeRequest, i);
 447     LttTime end_time = ltt_time_add( time_request->time_window.start_time,
 448                                      time_request->time_window.time_width);
 449
 450     if(i == 0 || !(ltt_time_compare(time_request->time_window.start_time, ltt_event_time(tsc->e))<0) )
 451     {
 452       /* do it if first request or start_time >= last event's time */
 453       lttv_process_traceset_seek_time(tsc, time_request->time_window.start_time);
 454       lttv_process_traceset(tsc, end_time, time_request->num_events);
 455     }
 456
 457     /* Call the end of process_traceset hook */
 458     lttv_hooks_add(tmp_hooks,
 459                    time_request->after_hook,
 460                    time_request->after_hook_data);
 461     lttv_hooks_call(tmp_hooks, time_request);
 462     lttv_hooks_remove(tmp_hooks, time_request->after_hook);
 463   }
 464
 465   /* Free the time requests */
 466   g_array_free(mw_data->current_tab->time_requests, TRUE);
 467   mw_data->current_tab->time_requests =
 468         g_array_new(FALSE, FALSE, sizeof(TimeRequest));
 469
 470   mw_data->current_tab->time_request_pending = FALSE;
 471
 472   lttv_hooks_destroy(tmp_hooks);
 473
 474   //set the cursor back to normal
 475   gdk_window_set_cursor(win, NULL);
 476 }
 477
 478
 479 /* add_trace_into_traceset_selector, each instance of a viewer has an associated
 480  * selector (filter), when a trace is added into traceset, the selector should
 481  * reflect the change. The function is used to update the selector
 482  */
 483
 484 void add_trace_into_traceset_selector(GtkMultiVPaned * paned, LttTrace * t)
 485 {
 486   int j, k, m, nb_tracefile, nb_control, nb_per_cpu, nb_facility, nb_event;
 487   LttvTracesetSelector  * s;
 488   LttvTraceSelector     * trace;
 489   LttvTracefileSelector * tracefile;
 490   LttvEventtypeSelector * eventtype;
 491   LttTracefile          * tf;
 492   GtkWidget             * w;
 493   LttFacility           * fac;
 494   LttEventType          * et;
 495
 496   w = gtk_multi_vpaned_get_first_widget(paned);
 497   while(w){
 498     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 499
 500     if(s){
 501       trace   = lttv_trace_selector_new(t);
 502       lttv_traceset_selector_trace_add(s, trace);
 503
 504       nb_facility = ltt_trace_facility_number(t);
 505       for(k=0;k<nb_facility;k++){
 506         fac = ltt_trace_facility_get(t,k);
 507         nb_event = (int) ltt_facility_eventtype_number(fac);
 508         for(m=0;m<nb_event;m++){
 509           et = ltt_facility_eventtype_get(fac,m);
 510           eventtype = lttv_eventtype_selector_new(et);
 511           lttv_trace_selector_eventtype_add(trace, eventtype);
 512         }
 513       }
 514
 515       nb_control = ltt_trace_control_tracefile_number(t);
 516       nb_per_cpu = ltt_trace_per_cpu_tracefile_number(t);
 517       nb_tracefile = nb_control + nb_per_cpu;
 518
 519       for(j = 0 ; j < nb_tracefile ; j++) {
 520         if(j < nb_control)
 521           tf = ltt_trace_control_tracefile_get(t, j);
 522         else
 523           tf = ltt_trace_per_cpu_tracefile_get(t, j - nb_control);
 524         tracefile = lttv_tracefile_selector_new(tf);
 525         lttv_trace_selector_tracefile_add(trace, tracefile);
 526         lttv_eventtype_selector_copy(trace, tracefile);
 527       }
 528     }else g_warning("Module does not support filtering\n");
 529
 530     w = gtk_multi_vpaned_get_next_widget(paned);
 531   }
 532 }
 533
 534
 535 /* add_trace adds a trace into the current traceset. It first displays a
 536  * directory selection dialogue to let user choose a trace, then recreates
 537  * tracset_context, and redraws all the viewer of the current tab
 538  */
 539
 540 void add_trace(GtkWidget * widget, gpointer user_data)
 541 {
 542   LttTrace *trace;
 543   LttvTrace * trace_v;
 544   LttvTraceset * traceset;
 545   const char * dir;
 546   gint id;
 547   gint i;
 548   MainWindow * mw_data = get_window_data_struct(widget);
 549   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select a trace");
 550   gtk_dir_selection_hide_fileop_buttons(file_selector);
 551   if(remember_trace_dir[0] != '\0')
 552     gtk_dir_selection_set_filename(file_selector, remember_trace_dir);
 553
 554   id = gtk_dialog_run(GTK_DIALOG(file_selector));
 555   switch(id){
 556     case GTK_RESPONSE_ACCEPT:
 557     case GTK_RESPONSE_OK:
 558       dir = gtk_dir_selection_get_dir (file_selector);
 559       strncpy(remember_trace_dir, dir, PATH_LENGTH);
 560       if(!dir || strlen(dir) == 0){
 561         gtk_widget_destroy((GtkWidget*)file_selector);
 562         break;
 563       }
 564       trace = ltt_trace_open(dir);
 565       if(trace == NULL) g_critical("cannot open trace %s", dir);
 566       trace_v = lttv_trace_new(trace);
 567       traceset = mw_data->current_tab->traceset_info->traceset;
 568
 569       //Keep a reference to the traces so they are not freed.
 570       for(i=0; i<lttv_traceset_number(traceset); i++)
 571       {
 572         LttvTrace * trace = lttv_traceset_get(traceset, i);
 573         lttv_trace_ref(trace);
 574       }
 575
 576       //remove state update hooks
 577       lttv_state_remove_event_hooks(
 578          (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 579
 580       lttv_context_fini(LTTV_TRACESET_CONTEXT(
 581               mw_data->current_tab->traceset_info->traceset_context));
 582       g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 583
 584
 585       lttv_traceset_add(traceset, trace_v);
 586
 587       /* Create new context */
 588       mw_data->current_tab->traceset_info->traceset_context =
 589                                 g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 590       lttv_context_init(
 591                 LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 592                                                             traceset_context),
 593                 traceset);
 594       //add state update hooks
 595       lttv_state_add_event_hooks(
 596       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 597       //Remove local reference to the traces.
 598       for(i=0; i<lttv_traceset_number(traceset); i++)
 599       {
 600         LttvTrace * trace = lttv_traceset_get(traceset, i);
 601         lttv_trace_unref(trace);
 602       }
 603
 604
 605       add_trace_into_traceset_selector(mw_data->current_tab->multi_vpaned, trace);
 606
 607       gtk_widget_destroy((GtkWidget*)file_selector);
 608
 609       //update current tab
 610       //update_traceset(mw_data);
 611
 612       //get_traceset_time_span(mw_data,LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context)->Time_Span);
 613       if(
 614        lttv_traceset_number(mw_data->current_tab->traceset_info->traceset) == 1
 615        || ltt_time_compare(mw_data->current_tab->current_time,
 616             LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 617                     traceset_context)->Time_Span->startTime)<0)
 618       {
 619         /* Set initial time if this is the first trace in the traceset */
 620         mw_data->current_tab->current_time =
 621            LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->
 622                         traceset_context)->Time_Span->startTime;
 623               mw_data->current_tab->time_window.start_time =
 624            mw_data->current_tab->current_time;
 625               mw_data->current_tab->time_window.time_width.tv_sec =
 626            DEFAULT_TIME_WIDTH_S;
 627               mw_data->current_tab->time_window.time_width.tv_nsec = 0;
 628       }
 629
 630       /* Call the updatetraceset hooks */
 631
 632       SetTraceset(mw_data, (gpointer)traceset);
 633       // in expose now call_pending_read_hooks(mw_data);
 634
 635       //lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 636       break;
 637     case GTK_RESPONSE_REJECT:
 638     case GTK_RESPONSE_CANCEL:
 639     default:
 640       gtk_widget_destroy((GtkWidget*)file_selector);
 641       break;
 642   }
 643 }
 644
 645
 646 /* remove_trace_into_traceset_selector, each instance of a viewer has an associated
 647  * selector (filter), when a trace is remove from traceset, the selector should
 648  * reflect the change. The function is used to update the selector
 649  */
 650
 651 void remove_trace_from_traceset_selector(GtkMultiVPaned * paned, unsigned i)
 652 {
 653   LttvTracesetSelector * s;
 654   LttvTraceSelector * t;
 655   GtkWidget * w;
 656
 657   w = gtk_multi_vpaned_get_first_widget(paned);
 658   while(w){
 659     s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 660     if(s){
 661       t = lttv_traceset_selector_trace_get(s,i);
 662       lttv_traceset_selector_trace_remove(s, i);
 663       lttv_trace_selector_destroy(t);
 664     }g_warning("Module dose not support filtering\n");
 665     w = gtk_multi_vpaned_get_next_widget(paned);
 666   }
 667 }
 668
 669
 670 /* remove_trace removes a trace from the current traceset if all viewers in
 671  * the current tab are not interested in the trace. It first displays a
 672  * dialogue, which shows all traces in the current traceset, to let user choose
 673  * a trace, then it checks if all viewers unselect the trace, if it is true,
 674  * it will remove the trace,  recreate the traceset_contex,
 675  * and redraws all the viewer of the current tab. If there is on trace in the
 676  * current traceset, it will delete all viewers of the current tab
 677  */
 678
 679 void remove_trace(GtkWidget * widget, gpointer user_data)
 680 {
 681   LttTrace *trace;
 682   LttvTrace * trace_v;
 683   LttvTraceset * traceset;
 684   gint i, j, nb_trace;
 685   char ** name, *remove_trace_name;
 686   MainWindow * mw_data = get_window_data_struct(widget);
 687   LttvTracesetSelector * s;
 688   LttvTraceSelector * t;
 689   GtkWidget * w;
 690   gboolean selected;
 691
 692   nb_trace =lttv_traceset_number(mw_data->current_tab->traceset_info->traceset);
 693   name = g_new(char*,nb_trace);
 694   for(i = 0; i < nb_trace; i++){
 695     trace_v = lttv_traceset_get(mw_data->current_tab->
 696                                 traceset_info->traceset, i);
 697     trace = lttv_trace(trace_v);
 698     name[i] = ltt_trace_name(trace);
 699   }
 700
 701   remove_trace_name = get_remove_trace(name, nb_trace);
 702
 703   if(remove_trace_name){
 704     for(i=0; i<nb_trace; i++){
 705       if(strcmp(remove_trace_name,name[i]) == 0){
 706         //unselect the trace from the current viewer
 707         w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
 708         if(w){
 709           s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 710           if(s){
 711             t = lttv_traceset_selector_trace_get(s,i);
 712             lttv_trace_selector_set_selected(t, FALSE);
 713           }
 714
 715           //check if other viewers select the trace
 716           w = gtk_multi_vpaned_get_first_widget(mw_data->current_tab->multi_vpaned);
 717           while(w){
 718             s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
 719             if(s){
 720               t = lttv_traceset_selector_trace_get(s,i);
 721               selected = lttv_trace_selector_get_selected(t);
 722               if(selected)break;
 723             }
 724             w = gtk_multi_vpaned_get_next_widget(mw_data->current_tab->multi_vpaned);
 725           }
 726         }else selected = FALSE;
 727
 728         //if no viewer selects the trace, remove it
 729         if(!selected){
 730           remove_trace_from_traceset_selector(mw_data->current_tab->multi_vpaned, i);
 731
 732           traceset = mw_data->current_tab->traceset_info->traceset;
 733           trace_v = lttv_traceset_get(traceset, i);
 734           if(lttv_trace_get_ref_number(trace_v) <= 1)
 735             ltt_trace_close(lttv_trace(trace_v));
 736
 737     //Keep a reference to the traces so they are not freed.
 738     for(j=0; j<lttv_traceset_number(traceset); j++)
 739     {
 740       LttvTrace * trace = lttv_traceset_get(traceset, j);
 741       lttv_trace_ref(trace);
 742     }
 743
 744     //remove state update hooks
 745     lttv_state_remove_event_hooks(
 746          (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 747     lttv_context_fini(LTTV_TRACESET_CONTEXT(mw_data->current_tab->traceset_info->traceset_context));
 748     g_object_unref(mw_data->current_tab->traceset_info->traceset_context);
 749
 750
 751           lttv_traceset_remove(traceset, i);
 752     lttv_trace_unref(trace_v);  // Remove local reference
 753           if(!lttv_trace_get_ref_number(trace_v))
 754              lttv_trace_destroy(trace_v);
 755
 756           mw_data->current_tab->traceset_info->traceset_context =
 757             g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
 758     lttv_context_init(
 759                             LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 760                                       traceset_info->traceset_context),traceset);
 761       //add state update hooks
 762     lttv_state_add_event_hooks(
 763       (LttvTracesetState*)mw_data->current_tab->traceset_info->traceset_context);
 764
 765     //Remove local reference to the traces.
 766     for(j=0; j<lttv_traceset_number(traceset); j++)
 767     {
 768       LttvTrace * trace = lttv_traceset_get(traceset, j);
 769       lttv_trace_unref(trace);
 770     }
 771
 772
 773           //update current tab
 774           //update_traceset(mw_data);
 775           if(nb_trace > 1){
 776
 777       SetTraceset(mw_data, (gpointer)traceset);
 778           // in expose now call_pending_read_hooks(mw_data);
 779
 780             //lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 781           }else{
 782             if(mw_data->current_tab){
 783               while(mw_data->current_tab->multi_vpaned->num_children){
 784                 gtk_multi_vpaned_widget_delete(mw_data->current_tab->multi_vpaned);
 785               }
 786             }
 787           }
 788         }
 789         break;
 790       }
 791     }
 792   }
 793
 794   g_free(name);
 795 }
 796
 797
 798 /* save will save the traceset to a file
 799  * Not implemented yet FIXME
 800  */
 801
 802 void save(GtkWidget * widget, gpointer user_data)
 803 {
 804   g_printf("Save\n");
 805 }
 806
 807 void save_as(GtkWidget * widget, gpointer user_data)
 808 {
 809   g_printf("Save as\n");
 810 }
 811
 812
 813 /* zoom will change the time_window of all the viewers of the
 814  * current tab, and redisplay them. The main functionality is to
 815  * determine the new time_window of the current tab
 816  */
 817
 818 void zoom(GtkWidget * widget, double size)
 819 {
 820   TimeInterval *time_span;
 821   TimeWindow new_time_window;
 822   LttTime    current_time, time_delta, time_s, time_e, time_tmp;
 823   MainWindow * mw_data = get_window_data_struct(widget);
 824
 825   if(size == 1) return;
 826
 827   time_span = LTTV_TRACESET_CONTEXT(mw_data->current_tab->
 828                                     traceset_info->traceset_context)->Time_Span;
 829   new_time_window =  mw_data->current_tab->time_window;
 830   current_time = mw_data->current_tab->current_time;
 831
 832   time_delta = ltt_time_sub(time_span->endTime,time_span->startTime);
 833   if(size == 0){
 834     new_time_window.start_time = time_span->startTime;
 835     new_time_window.time_width = time_delta;
 836   }else{
 837     new_time_window.time_width = ltt_time_div(new_time_window.time_width, size);
 838     if(ltt_time_compare(new_time_window.time_width,time_delta) > 0)
 839     { /* Case where zoom out is bigger than trace length */
 840       new_time_window.start_time = time_span->startTime;
 841       new_time_window.time_width = time_delta;
 842     }
 843     else
 844     {
 845       /* Center the image on the current time */
 846       g_critical("update is HERE");
 847       new_time_window.start_time =
 848         ltt_time_sub(current_time, ltt_time_div(new_time_window.time_width, 2.0));
 849       /* If on borders, don't fall off */
 850       if(ltt_time_compare(new_time_window.start_time, time_span->startTime) <0)
 851       {
 852         new_time_window.start_time = time_span->startTime;
 853       }
 854       else
 855       {
 856         if(ltt_time_compare(
 857            ltt_time_add(new_time_window.start_time, new_time_window.time_width),
 858            time_span->endTime) > 0)
 859         {
 860           new_time_window.start_time =
 861                   ltt_time_sub(time_span->endTime, new_time_window.time_width);
 862         }
 863       }
 864
 865     }
 866
 867
 868
 869     //time_tmp = ltt_time_div(new_time_window.time_width, 2);
 870     //if(ltt_time_compare(current_time, time_tmp) < 0){
 871     //  time_s = time_span->startTime;
 872     //} else {
 873     //  time_s = ltt_time_sub(current_time,time_tmp);
 874     //}
 875     //time_e = ltt_time_add(current_time,time_tmp);
 876     //if(ltt_time_compare(time_span->startTime, time_s) > 0){
 877     //  time_s = time_span->startTime;
 878     //}else if(ltt_time_compare(time_span->endTime, time_e) < 0){
 879     //  time_e = time_span->endTime;
 880     //  time_s = ltt_time_sub(time_e,new_time_window.time_width);
 881     //}
 882     //new_time_window.start_time = time_s;
 883   }
 884
 885   //lttvwindow_report_time_window(mw_data, &new_time_window);
 886   //call_pending_read_hooks(mw_data);
 887
 888   //lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
 889   set_time_window(mw_data, &new_time_window);
 890   // in expose now call_pending_read_hooks(mw_data);
 891   gtk_multi_vpaned_set_adjust(mw_data->current_tab->multi_vpaned, &new_time_window, FALSE);
 892 }
 893
 894 void zoom_in(GtkWidget * widget, gpointer user_data)
 895 {
 896   zoom(widget, 2);
 897 }
 898
 899 void zoom_out(GtkWidget * widget, gpointer user_data)
 900 {
 901   zoom(widget, 0.5);
 902 }
 903
 904 void zoom_extended(GtkWidget * widget, gpointer user_data)
 905 {
 906   zoom(widget, 0);
 907 }
 908
 909 void go_to_time(GtkWidget * widget, gpointer user_data)
 910 {
 911   g_printf("Go to time\n");
 912 }
 913
 914 void show_time_frame(GtkWidget * widget, gpointer user_data)
 915 {
 916   g_printf("Show time frame\n");
 917 }
 918
 919
 920 /* callback function */
 921
 922 void
 923 on_empty_traceset_activate             (GtkMenuItem     *menuitem,
 924                                         gpointer         user_data)
 925 {
 926   create_new_window((GtkWidget*)menuitem, user_data, FALSE);
 927 }
 928
 929
 930 void
 931 on_clone_traceset_activate             (GtkMenuItem     *menuitem,
 932                                         gpointer         user_data)
 933 {
 934   create_new_window((GtkWidget*)menuitem, user_data, TRUE);
 935 }
 936
 937
 938 /* create_new_tab calls create_tab to construct a new tab in the main window
 939  */
 940
 941 void create_new_tab(GtkWidget* widget, gpointer user_data){
 942   gchar label[PATH_LENGTH];
 943   MainWindow * mw_data = get_window_data_struct(widget);
 944   GtkNotebook * notebook = (GtkNotebook *)lookup_widget(widget, "MNotebook");
 945   if(notebook == NULL){
 946     g_printf("Notebook does not exist\n");
 947     return;
 948   }
 949
 950   strcpy(label,"Page");
 951   if(get_label(mw_data, label,"Get the name of the tab","Please input tab's name"))
 952     create_tab (NULL, mw_data, notebook, label);
 953 }
 954
 955 void
 956 on_tab_activate                        (GtkMenuItem     *menuitem,
 957                                         gpointer         user_data)
 958 {
 959   create_new_tab((GtkWidget*)menuitem, user_data);
 960 }
 961
 962
 963 void
 964 on_open_activate                       (GtkMenuItem     *menuitem,
 965                                         gpointer         user_data)
 966 {
 967   open_traceset((GtkWidget*)menuitem, user_data);
 968 }
 969
 970
 971 void
 972 on_close_activate                      (GtkMenuItem     *menuitem,
 973                                         gpointer         user_data)
 974 {
 975   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 976   main_window_destructor(mw_data);
 977 }
 978
 979
 980 /* remove the current tab from the main window if it is not the default tab
 981  */
 982
 983 void
 984 on_close_tab_activate                  (GtkMenuItem     *menuitem,
 985                                         gpointer         user_data)
 986 {
 987   GList * list;
 988   int count = 0;
 989   GtkWidget * notebook;
 990   Tab * tmp;
 991   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
 992   notebook = lookup_widget((GtkWidget*)menuitem, "MNotebook");
 993   if(notebook == NULL){
 994     g_printf("Notebook does not exist\n");
 995     return;
 996   }
 997
 998   if(mw_data->tab == mw_data->current_tab){
 999     //    tmp = mw_data->current_tb;
1000     //    mw_data->tab = mw_data->current_tab->next;
1001     g_printf("The default TAB can not be deleted\n");
1002     return;
1003   }else{
1004     tmp = mw_data->tab;
1005     while(tmp != mw_data->current_tab){
1006       tmp = tmp->next;
1007       count++;
1008     }
1009   }
1010
1011   gtk_notebook_remove_page((GtkNotebook*)notebook, count);
1012   list = gtk_container_get_children(GTK_CONTAINER(notebook));
1013   if(g_list_length(list)==1)
1014     gtk_notebook_set_show_tabs((GtkNotebook*)notebook, FALSE);
1015 }
1016
1017
1018 void
1019 on_add_trace_activate                  (GtkMenuItem     *menuitem,
1020                                         gpointer         user_data)
1021 {
1022   add_trace((GtkWidget*)menuitem, user_data);
1023 }
1024
1025
1026 void
1027 on_remove_trace_activate               (GtkMenuItem     *menuitem,
1028                                         gpointer         user_data)
1029 {
1030   remove_trace((GtkWidget*)menuitem, user_data);
1031 }
1032
1033
1034 void
1035 on_save_activate                       (GtkMenuItem     *menuitem,
1036                                         gpointer         user_data)
1037 {
1038   save((GtkWidget*)menuitem, user_data);
1039 }
1040
1041
1042 void
1043 on_save_as_activate                    (GtkMenuItem     *menuitem,
1044                                         gpointer         user_data)
1045 {
1046   save_as((GtkWidget*)menuitem, user_data);
1047 }
1048
1049
1050 void
1051 on_quit_activate                       (GtkMenuItem     *menuitem,
1052                                         gpointer         user_data)
1053 {
1054   gtk_main_quit ();
1055 }
1056
1057
1058 void
1059 on_cut_activate                        (GtkMenuItem     *menuitem,
1060                                         gpointer         user_data)
1061 {
1062   g_printf("Cut\n");
1063 }
1064
1065
1066 void
1067 on_copy_activate                       (GtkMenuItem     *menuitem,
1068                                         gpointer         user_data)
1069 {
1070   g_printf("Copye\n");
1071 }
1072
1073
1074 void
1075 on_paste_activate                      (GtkMenuItem     *menuitem,
1076                                         gpointer         user_data)
1077 {
1078   g_printf("Paste\n");
1079 }
1080
1081
1082 void
1083 on_delete_activate                     (GtkMenuItem     *menuitem,
1084                                         gpointer         user_data)
1085 {
1086   g_printf("Delete\n");
1087 }
1088
1089
1090 void
1091 on_zoom_in_activate                    (GtkMenuItem     *menuitem,
1092                                         gpointer         user_data)
1093 {
1094    zoom_in((GtkWidget*)menuitem, user_data);
1095 }
1096
1097
1098 void
1099 on_zoom_out_activate                   (GtkMenuItem     *menuitem,
1100                                         gpointer         user_data)
1101 {
1102    zoom_out((GtkWidget*)menuitem, user_data);
1103 }
1104
1105
1106 void
1107 on_zoom_extended_activate              (GtkMenuItem     *menuitem,
1108                                         gpointer         user_data)
1109 {
1110    zoom_extended((GtkWidget*)menuitem, user_data);
1111 }
1112
1113
1114 void
1115 on_go_to_time_activate                 (GtkMenuItem     *menuitem,
1116                                         gpointer         user_data)
1117 {
1118    go_to_time((GtkWidget*)menuitem, user_data);
1119 }
1120
1121
1122 void
1123 on_show_time_frame_activate            (GtkMenuItem     *menuitem,
1124                                         gpointer         user_data)
1125 {
1126    show_time_frame((GtkWidget*)menuitem, user_data);
1127 }
1128
1129
1130 void
1131 on_move_viewer_up_activate             (GtkMenuItem     *menuitem,
1132                                         gpointer         user_data)
1133 {
1134   move_up_viewer((GtkWidget*)menuitem, user_data);
1135 }
1136
1137
1138 void
1139 on_move_viewer_down_activate           (GtkMenuItem     *menuitem,
1140                                         gpointer         user_data)
1141 {
1142   move_down_viewer((GtkWidget*)menuitem, user_data);
1143 }
1144
1145
1146 void
1147 on_remove_viewer_activate              (GtkMenuItem     *menuitem,
1148                                         gpointer         user_data)
1149 {
1150   delete_viewer((GtkWidget*)menuitem, user_data);
1151 }
1152
1153 void
1154 on_trace_filter_activate              (GtkMenuItem     *menuitem,
1155                                         gpointer         user_data)
1156 {
1157   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1158   LttvTracesetSelector * s;
1159   GtkWidget * w = gtk_multi_vpaned_get_widget(mw_data->current_tab->multi_vpaned);
1160
1161   s = g_object_get_data(G_OBJECT(w), "Traceset_Selector");
1162   if(!s){
1163     g_printf("There is no viewer yet\n");
1164     return;
1165   }
1166   if(get_filter_selection(s, "Configure trace and tracefile filter", "Select traces and tracefiles")){
1167     //FIXME report filter change
1168     //update_traceset(mw_data);
1169     //call_pending_read_hooks(mw_data);
1170     //lttvwindow_report_current_time(mw_data,&(mw_data->current_tab->current_time));
1171   }
1172 }
1173
1174 void
1175 on_trace_facility_activate              (GtkMenuItem     *menuitem,
1176                                         gpointer         user_data)
1177 {
1178   g_printf("Trace facility selector: %s\n");
1179 }
1180
1181
1182 /* Dispaly a file selection dialogue to let user select a module, then call
1183  * lttv_module_load(), finally insert tool button and menu entry in the main window
1184  * for the loaded  module
1185  */
1186
1187 void
1188 on_load_module_activate                (GtkMenuItem     *menuitem,
1189                                         gpointer         user_data)
1190 {
1191   char ** dir;
1192   gint id;
1193   char str[PATH_LENGTH], *str1;
1194   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1195   GtkFileSelection * file_selector = (GtkFileSelection *)gtk_file_selection_new("Select a module");
1196   if(remember_plugins_dir[0] != '\0')
1197     gtk_file_selection_set_filename(file_selector, remember_plugins_dir);
1198   gtk_file_selection_hide_fileop_buttons(file_selector);
1199
1200   str[0] = '\0';
1201   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1202   switch(id){
1203     case GTK_RESPONSE_ACCEPT:
1204     case GTK_RESPONSE_OK:
1205       dir = gtk_file_selection_get_selections (file_selector);
1206       strncpy(str,dir[0],PATH_LENGTH);
1207       strncpy(remember_plugins_dir,dir[0],PATH_LENGTH);
1208       str1 = strrchr(str,'/');
1209       if(str1)str1++;
1210       else{
1211         str1 = strrchr(str,'\\');
1212         str1++;
1213       }
1214       lttv_module_require(str1, NULL);
1215       g_slist_foreach(g_main_window_list, (gpointer)insert_menu_toolbar_item,
1216           NULL);
1217       g_strfreev(dir);
1218     case GTK_RESPONSE_REJECT:
1219     case GTK_RESPONSE_CANCEL:
1220     default:
1221       gtk_widget_destroy((GtkWidget*)file_selector);
1222       break;
1223   }
1224   g_printf("Load module: %s\n", str);
1225 }
1226
1227
1228 /* Display all loaded modules, let user to select a module to unload
1229  * by calling lttv_module_unload
1230  */
1231
1232 void
1233 on_unload_module_activate              (GtkMenuItem     *menuitem,
1234                                         gpointer         user_data)
1235 {
1236   int i;
1237   GPtrArray *name;
1238   char *unload_module_name;
1239   guint nb;
1240   LttvLibrary *library;
1241   LttvLibraryInfo library_info;
1242   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1243
1244   name  = g_ptr_array_new();
1245   nb = lttv_library_number();
1246
1247   for(i=0;i<nb;i++){
1248     library = lttv_library_get(i);
1249     lttv_library_info(library, &library_info);
1250     if(library_info.load_count > 0) g_ptr_array_add(name, library_info.name);
1251   }
1252
1253   unload_module_name =get_unload_module((char **)(name->pdata), name->len);
1254
1255   if(unload_module_name){
1256     for(i=0;i<nb;i++){
1257       library = lttv_library_get(i);
1258       lttv_library_info(library, &library_info);
1259       if(strcmp(unload_module_name, library_info.name) == 0){
1260         lttv_library_unload(library);
1261         break;
1262       }
1263     }
1264   }
1265
1266   g_ptr_array_free(name, TRUE);
1267 }
1268
1269
1270 /* Display a directory dialogue to let user select a path for module searching
1271  */
1272
1273 void
1274 on_add_module_search_path_activate     (GtkMenuItem     *menuitem,
1275                                         gpointer         user_data)
1276 {
1277   GtkDirSelection * file_selector = (GtkDirSelection *)gtk_dir_selection_new("Select module path");
1278   const char * dir;
1279   gint id;
1280
1281   MainWindow * mw_data = get_window_data_struct((GtkWidget*)menuitem);
1282   if(remember_plugins_dir[0] != '\0')
1283     gtk_dir_selection_set_filename(file_selector, remember_plugins_dir);
1284
1285   id = gtk_dialog_run(GTK_DIALOG(file_selector));
1286   switch(id){
1287     case GTK_RESPONSE_ACCEPT:
1288     case GTK_RESPONSE_OK:
1289       dir = gtk_dir_selection_get_dir (file_selector);
1290       strncpy(remember_plugins_dir,dir,PATH_LENGTH);
1291       strncat(remember_plugins_dir,"/",PATH_LENGTH);
1292       lttv_library_path_add(dir);
1293     case GTK_RESPONSE_REJECT:
1294     case GTK_RESPONSE_CANCEL:
1295     default:
1296       gtk_widget_destroy((GtkWidget*)file_selector);
1297       break;
1298   }
1299 }
1300
1301
1302 void
1303 on_color_activate                      (GtkMenuItem     *menuitem,
1304                                         gpointer         user_data)
1305 {
1306   g_printf("Color\n");
1307 }
1308
1309
1310 void
1311 on_filter_activate                     (GtkMenuItem     *menuitem,
1312                                         gpointer         user_data)
1313 {
1314   g_printf("Filter\n");
1315 }
1316
1317
1318 void
1319 on_save_configuration_activate         (GtkMenuItem     *menuitem,
1320                                         gpointer         user_data)
1321 {
1322   g_printf("Save configuration\n");
1323 }
1324
1325
1326 void
1327 on_content_activate                    (GtkMenuItem     *menuitem,
1328                                         gpointer         user_data)
1329 {
1330   g_printf("Content\n");
1331 }
1332
1333
1334 void
1335 on_about_activate                      (GtkMenuItem     *menuitem,
1336                                         gpointer         user_data)
1337 {
1338   g_printf("About...\n");
1339 }
1340
1341
1342 void
1343 on_button_new_clicked                  (GtkButton       *button,
1344                                         gpointer         user_data)
1345 {
1346   create_new_window((GtkWidget*)button, user_data, TRUE);
1347 }
1348
1349 void
1350 on_button_new_tab_clicked              (GtkButton       *button,
1351                                         gpointer         user_data)
1352 {
1353   create_new_tab((GtkWidget*)button, user_data);
1354 }
1355
1356 void
1357 on_button_open_clicked                 (GtkButton       *button,
1358                                         gpointer         user_data)
1359 {
1360   open_traceset((GtkWidget*)button, user_data);
1361 }
1362
1363
1364 void
1365 on_button_add_trace_clicked            (GtkButton       *button,
1366                                         gpointer         user_data)
1367 {
1368   add_trace((GtkWidget*)button, user_data);
1369 }
1370
1371
1372 void
1373 on_button_remove_trace_clicked         (GtkButton       *button,
1374                                         gpointer         user_data)
1375 {
1376   remove_trace((GtkWidget*)button, user_data);
1377 }
1378
1379
1380 void
1381 on_button_save_clicked                 (GtkButton       *button,
1382                                         gpointer         user_data)
1383 {
1384   save((GtkWidget*)button, user_data);
1385 }
1386
1387
1388 void
1389 on_button_save_as_clicked              (GtkButton       *button,
1390                                         gpointer         user_data)
1391 {
1392   save_as((GtkWidget*)button, user_data);
1393 }
1394
1395
1396 void
1397 on_button_zoom_in_clicked              (GtkButton       *button,
1398                                         gpointer         user_data)
1399 {
1400    zoom_in((GtkWidget*)button, user_data);
1401 }
1402
1403
1404 void
1405 on_button_zoom_out_clicked             (GtkButton       *button,
1406                                         gpointer         user_data)
1407 {
1408    zoom_out((GtkWidget*)button, user_data);
1409 }
1410
1411
1412 void
1413 on_button_zoom_extended_clicked        (GtkButton       *button,
1414                                         gpointer         user_data)
1415 {
1416    zoom_extended((GtkWidget*)button, user_data);
1417 }
1418
1419
1420 void
1421 on_button_go_to_time_clicked           (GtkButton       *button,
1422                                         gpointer         user_data)
1423 {
1424    go_to_time((GtkWidget*)button, user_data);
1425 }
1426
1427
1428 void
1429 on_button_show_time_frame_clicked      (GtkButton       *button,
1430                                         gpointer         user_data)
1431 {
1432    show_time_frame((GtkWidget*)button, user_data);
1433 }
1434
1435
1436 void
1437 on_button_move_up_clicked              (GtkButton       *button,
1438                                         gpointer         user_data)
1439 {
1440   move_up_viewer((GtkWidget*)button, user_data);
1441 }
1442
1443
1444 void
1445 on_button_move_down_clicked            (GtkButton       *button,
1446                                         gpointer         user_data)
1447 {
1448   move_down_viewer((GtkWidget*)button, user_data);
1449 }
1450
1451
1452 void
1453 on_button_delete_viewer_clicked        (GtkButton       *button,
1454                                         gpointer         user_data)
1455 {
1456   delete_viewer((GtkWidget*)button, user_data);
1457 }
1458
1459 void
1460 on_MWindow_destroy                     (GtkObject       *object,
1461                                         gpointer         user_data)
1462 {
1463   MainWindow *Main_Window = get_window_data_struct((GtkWidget*)object);
1464   GtkWidget  *widget;
1465   Tab *tab = Main_Window->tab;
1466
1467   g_printf("There are : %d windows\n",g_slist_length(g_main_window_list));
1468
1469   g_win_count--;
1470   if(g_win_count == 0)
1471     gtk_main_quit ();
1472 }
1473
1474 gboolean
1475 on_MWindow_configure                   (GtkWidget         *widget,
1476                                         GdkEventConfigure *event,
1477                                         gpointer           user_data)
1478 {
1479   MainWindow * mw_data = get_window_data_struct((GtkWidget*)widget);
1480   float width = event->width;
1481   Tab * tab = mw_data->tab;
1482   TimeWindow time_win;
1483   double ratio;
1484   TimeInterval *time_span;
1485   LttTime time;
1486
1487         // MD : removed time width modification upon resizing of the main window.
1488         // The viewers will redraw themselves completely, without time interval
1489         // modification.
1490 /*  while(tab){
1491     if(mw_data->window_width){
1492       time_span = LTTV_TRACESET_CONTEXT(tab->traceset_info->traceset_context)->Time_Span ;
1493       time_win = tab->time_window;
1494       ratio = width / mw_data->window_width;
1495       tab->time_window.time_width = ltt_time_mul(time_win.time_width,ratio);
1496       time = ltt_time_sub(time_span->endTime, time_win.start_time);
1497       if(ltt_time_compare(time, tab->time_window.time_width) < 0){
1498         tab->time_window.time_width = time;
1499       }
1500     }
1501     tab = tab->next;
1502   }
1503
1504   mw_data->window_width = (int)width;
1505         */
1506   return FALSE;
1507 }
1508
1509 /* Set current tab
1510  */
1511
1512 void
1513 on_MNotebook_switch_page               (GtkNotebook     *notebook,
1514                                         GtkNotebookPage *page,
1515                                         guint            page_num,
1516                                         gpointer         user_data)
1517 {
1518   MainWindow * mw = get_window_data_struct((GtkWidget*)notebook);
1519   Tab * tab = mw->tab;
1520
1521   while(page_num){
1522     tab = tab->next;
1523     page_num--;
1524   }
1525   mw->current_tab = tab;
1526 }
1527
1528
1529 /* callback function to check or uncheck the check box (filter)
1530  */
1531
1532 void checkbox_changed(GtkTreeView *treeview,
1533                       GtkTreePath *arg1,
1534                       GtkTreeViewColumn *arg2,
1535                       gpointer user_data)
1536 {
1537   GtkTreeStore * store = (GtkTreeStore *)gtk_tree_view_get_model (treeview);
1538   GtkTreeIter iter;
1539   gboolean value;
1540
1541   if (gtk_tree_model_get_iter ((GtkTreeModel *)store, &iter, arg1)){
1542     gtk_tree_model_get ((GtkTreeModel *)store, &iter, CHECKBOX_COLUMN, &value, -1);
1543     value = value? FALSE : TRUE;
1544     gtk_tree_store_set (GTK_TREE_STORE (store), &iter, CHECKBOX_COLUMN, value, -1);
1545   }
1546
1547 }
1548
1549
1550 /* According to user's selection, update selector(filter)
1551  */
1552
1553 void update_filter(LttvTracesetSelector *s,  GtkTreeStore *store )
1554 {
1555   GtkTreeIter iter, child_iter, child_iter1, child_iter2;
1556   int i, j, k, nb_eventtype;
1557   LttvTraceSelector     * trace;
1558   LttvTracefileSelector * tracefile;
1559   LttvEventtypeSelector * eventtype;
1560   gboolean value, value1, value2;
1561
1562   if(gtk_tree_model_get_iter_first((GtkTreeModel*)store, &iter)){
1563     i = 0;
1564     do{
1565       trace = lttv_traceset_selector_trace_get(s, i);
1566       nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1567       gtk_tree_model_get ((GtkTreeModel*)store, &iter, CHECKBOX_COLUMN, &value,-1);
1568       if(value){
1569         j = 0;
1570         if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter, &iter)){
1571           do{
1572             if(j<1){//eventtype selector for trace
1573               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value2,-1);
1574               if(value2){
1575                 k=0;
1576                 if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter1, &child_iter)){
1577                   do{
1578                     eventtype = lttv_trace_selector_eventtype_get(trace,k);
1579                     gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1580                     lttv_eventtype_selector_set_selected(eventtype,value2);
1581                     k++;
1582                   }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter1));
1583                 }
1584               }
1585             }else{ //tracefile selector
1586               tracefile = lttv_trace_selector_tracefile_get(trace, j - 1);
1587               gtk_tree_model_get ((GtkTreeModel*)store, &child_iter, CHECKBOX_COLUMN, &value1,-1);
1588               lttv_tracefile_selector_set_selected(tracefile,value1);
1589               if(value1){
1590                 gtk_tree_model_iter_children((GtkTreeModel*)store, &child_iter1, &child_iter); //eventtype selector
1591                 gtk_tree_model_get ((GtkTreeModel*)store, &child_iter1, CHECKBOX_COLUMN, &value2,-1);
1592                 if(value2){
1593                   k = 0;
1594                   if(gtk_tree_model_iter_children ((GtkTreeModel*)store, &child_iter2, &child_iter1)){
1595                     do{//eventtype selector for tracefile
1596                       eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1597                       gtk_tree_model_get ((GtkTreeModel*)store, &child_iter2, CHECKBOX_COLUMN, &value2,-1);
1598                       lttv_eventtype_selector_set_selected(eventtype,value2);
1599                       k++;
1600                     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter2));
1601                   }
1602                 }
1603               }
1604             }
1605             j++;
1606           }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &child_iter));
1607         }
1608       }
1609       lttv_trace_selector_set_selected(trace,value);
1610       i++;
1611     }while(gtk_tree_model_iter_next((GtkTreeModel*)store, &iter));
1612   }
1613 }
1614
1615
1616 /* Display a dialogue showing all eventtypes and traces, let user to select the interested
1617  * eventtypes, tracefiles and traces (filter)
1618  */
1619
1620 gboolean get_filter_selection(LttvTracesetSelector *s,char *title, char * column_title)
1621 {
1622   GtkWidget         * dialogue;
1623   GtkTreeStore      * store;
1624   GtkWidget         * tree;
1625   GtkWidget         * scroll_win;
1626   GtkCellRenderer   * renderer;
1627   GtkTreeViewColumn * column;
1628   GtkTreeIter         iter, child_iter, child_iter1, child_iter2;
1629   int i, j, k, id, nb_trace, nb_tracefile, nb_eventtype;
1630   LttvTraceSelector     * trace;
1631   LttvTracefileSelector * tracefile;
1632   LttvEventtypeSelector * eventtype;
1633   char * name;
1634   gboolean checked;
1635
1636   dialogue = gtk_dialog_new_with_buttons(title,
1637                                          NULL,
1638                                          GTK_DIALOG_MODAL,
1639                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1640                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1641                                          NULL);
1642   gtk_window_set_default_size((GtkWindow*)dialogue, 300, 500);
1643
1644   store = gtk_tree_store_new (TOTAL_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING);
1645   tree  = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));
1646   g_object_unref (G_OBJECT (store));
1647   g_signal_connect (G_OBJECT (tree), "row-activated",
1648                     G_CALLBACK (checkbox_changed),
1649                     NULL);
1650
1651
1652   renderer = gtk_cell_renderer_toggle_new ();
1653   gtk_cell_renderer_toggle_set_radio((GtkCellRendererToggle *)renderer, FALSE);
1654
1655   g_object_set (G_OBJECT (renderer),"activatable", TRUE, NULL);
1656
1657   column   = gtk_tree_view_column_new_with_attributes ("Checkbox",
1658                                                        renderer,
1659                                                        "active", CHECKBOX_COLUMN,
1660                                                        NULL);
1661   gtk_tree_view_column_set_alignment (column, 0.5);
1662   gtk_tree_view_column_set_fixed_width (column, 20);
1663   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1664
1665   renderer = gtk_cell_renderer_text_new ();
1666   column   = gtk_tree_view_column_new_with_attributes (column_title,
1667                                                        renderer,
1668                                                        "text", NAME_COLUMN,
1669                                                        NULL);
1670   gtk_tree_view_column_set_alignment (column, 0.0);
1671   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1672   gtk_tree_view_set_headers_visible(GTK_TREE_VIEW (tree), FALSE);
1673
1674   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1675   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1676                                  GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC);
1677   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1678
1679   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1680
1681   gtk_widget_show(scroll_win);
1682   gtk_widget_show(tree);
1683
1684   nb_trace = lttv_traceset_selector_trace_number(s);
1685   for(i=0;i<nb_trace;i++){
1686     trace = lttv_traceset_selector_trace_get(s, i);
1687     name  = lttv_trace_selector_get_name(trace);
1688     gtk_tree_store_append (store, &iter, NULL);
1689     checked = lttv_trace_selector_get_selected(trace);
1690     gtk_tree_store_set (store, &iter,
1691                         CHECKBOX_COLUMN,checked,
1692                         NAME_COLUMN,name,
1693                         -1);
1694
1695     gtk_tree_store_append (store, &child_iter, &iter);
1696     gtk_tree_store_set (store, &child_iter,
1697                         CHECKBOX_COLUMN, checked,
1698                         NAME_COLUMN,"eventtype",
1699                         -1);
1700
1701     nb_eventtype = lttv_trace_selector_eventtype_number(trace);
1702     for(j=0;j<nb_eventtype;j++){
1703       eventtype = lttv_trace_selector_eventtype_get(trace,j);
1704       name      = lttv_eventtype_selector_get_name(eventtype);
1705       checked   = lttv_eventtype_selector_get_selected(eventtype);
1706       gtk_tree_store_append (store, &child_iter1, &child_iter);
1707       gtk_tree_store_set (store, &child_iter1,
1708                           CHECKBOX_COLUMN, checked,
1709                           NAME_COLUMN,name,
1710                           -1);
1711     }
1712
1713     nb_tracefile = lttv_trace_selector_tracefile_number(trace);
1714     for(j=0;j<nb_tracefile;j++){
1715       tracefile = lttv_trace_selector_tracefile_get(trace, j);
1716       name      = lttv_tracefile_selector_get_name(tracefile);
1717       gtk_tree_store_append (store, &child_iter, &iter);
1718       checked = lttv_tracefile_selector_get_selected(tracefile);
1719       gtk_tree_store_set (store, &child_iter,
1720                           CHECKBOX_COLUMN, checked,
1721                           NAME_COLUMN,name,
1722                           -1);
1723
1724       gtk_tree_store_append (store, &child_iter1, &child_iter);
1725       gtk_tree_store_set (store, &child_iter1,
1726                           CHECKBOX_COLUMN, checked,
1727                           NAME_COLUMN,"eventtype",
1728                           -1);
1729
1730       for(k=0;k<nb_eventtype;k++){
1731         eventtype = lttv_tracefile_selector_eventtype_get(tracefile,k);
1732         name      = lttv_eventtype_selector_get_name(eventtype);
1733         checked   = lttv_eventtype_selector_get_selected(eventtype);
1734         gtk_tree_store_append (store, &child_iter2, &child_iter1);
1735         gtk_tree_store_set (store, &child_iter2,
1736                             CHECKBOX_COLUMN, checked,
1737                             NAME_COLUMN,name,
1738                             -1);
1739       }
1740     }
1741   }
1742
1743   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1744   switch(id){
1745     case GTK_RESPONSE_ACCEPT:
1746     case GTK_RESPONSE_OK:
1747       update_filter(s, store);
1748       gtk_widget_destroy(dialogue);
1749       return TRUE;
1750     case GTK_RESPONSE_REJECT:
1751     case GTK_RESPONSE_CANCEL:
1752     default:
1753       gtk_widget_destroy(dialogue);
1754       break;
1755   }
1756   return FALSE;
1757 }
1758
1759
1760 /* Select a trace which will be removed from traceset
1761  */
1762
1763 char * get_remove_trace(char ** all_trace_name, int nb_trace)
1764 {
1765   return get_selection(all_trace_name, nb_trace,
1766                        "Select a trace", "Trace pathname");
1767 }
1768
1769
1770 /* Select a module which will be unloaded
1771  */
1772
1773 char * get_unload_module(char ** loaded_module_name, int nb_module)
1774 {
1775   return get_selection(loaded_module_name, nb_module,
1776                        "Select an unload module", "Module pathname");
1777 }
1778
1779
1780 /* Display a dialogue which shows all selectable items, let user to
1781  * select one of them
1782  */
1783
1784 char * get_selection(char ** loaded_module_name, int nb_module,
1785                      char *title, char * column_title)
1786 {
1787   GtkWidget         * dialogue;
1788   GtkWidget         * scroll_win;
1789   GtkWidget         * tree;
1790   GtkListStore      * store;
1791   GtkTreeViewColumn * column;
1792   GtkCellRenderer   * renderer;
1793   GtkTreeSelection  * select;
1794   GtkTreeIter         iter;
1795   gint                id, i;
1796   char              * unload_module_name = NULL;
1797
1798   dialogue = gtk_dialog_new_with_buttons(title,
1799                                          NULL,
1800                                          GTK_DIALOG_MODAL,
1801                                          GTK_STOCK_OK,GTK_RESPONSE_ACCEPT,
1802                                          GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
1803                                          NULL);
1804   gtk_window_set_default_size((GtkWindow*)dialogue, 500, 200);
1805
1806   scroll_win = gtk_scrolled_window_new (NULL, NULL);
1807   gtk_widget_show ( scroll_win);
1808   gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win),
1809                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1810
1811   store = gtk_list_store_new (N_COLUMNS,G_TYPE_STRING);
1812   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL (store));
1813   gtk_widget_show ( tree);
1814   g_object_unref (G_OBJECT (store));
1815
1816   renderer = gtk_cell_renderer_text_new ();
1817   column   = gtk_tree_view_column_new_with_attributes (column_title,
1818                                                      renderer,
1819                                                      "text", MODULE_COLUMN,
1820                                                      NULL);
1821   gtk_tree_view_column_set_alignment (column, 0.5);
1822   gtk_tree_view_column_set_fixed_width (column, 150);
1823   gtk_tree_view_append_column (GTK_TREE_VIEW (tree), column);
1824
1825   select = gtk_tree_view_get_selection (GTK_TREE_VIEW (tree));
1826   gtk_tree_selection_set_mode (select, GTK_SELECTION_SINGLE);
1827
1828   gtk_container_add (GTK_CONTAINER (scroll_win), tree);
1829
1830   gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialogue)->vbox), scroll_win,TRUE, TRUE,0);
1831
1832   for(i=0;i<nb_module;i++){
1833     gtk_list_store_append (store, &iter);
1834     gtk_list_store_set (store, &iter, MODULE_COLUMN,loaded_module_name[i],-1);
1835   }
1836
1837   id = gtk_dialog_run(GTK_DIALOG(dialogue));
1838   switch(id){
1839     case GTK_RESPONSE_ACCEPT:
1840     case GTK_RESPONSE_OK:
1841       if (gtk_tree_selection_get_selected (select, (GtkTreeModel**)&store, &iter)){
1842           gtk_tree_model_get ((GtkTreeModel*)store, &iter, MODULE_COLUMN, &unload_module_name, -1);
1843       }
1844     case GTK_RESPONSE_REJECT:
1845     case GTK_RESPONSE_CANCEL:
1846     default:
1847       gtk_widget_destroy(dialogue);
1848       break;
1849   }
1850
1851   return unload_module_name;
1852 }
1853
1854
1855 /* hash funtions
1856  */
1857
1858 void main_window_destroy_hash_key(gpointer key)
1859 {
1860   g_free(key);
1861 }
1862
1863 void main_window_destroy_hash_data(gpointer data)
1864 {
1865 }
1866
1867
1868 /* Insert menu entry and tool button into all main windows for modules
1869  * It checks whether the menu entry or tool button exists or not,
1870  * if they do not exist, then construct the widget and insert them
1871  * into all main windows
1872  */
1873
1874 void insert_menu_toolbar_item(MainWindow * mw, gpointer user_data)
1875 {
1876   int i;
1877   GdkPixbuf *pixbuf;
1878   lttvwindow_viewer_constructor constructor;
1879   LttvMenus * menu;
1880   LttvToolbars * toolbar;
1881   lttv_menu_closure *menu_item;
1882   lttv_toolbar_closure *toolbar_item;
1883   LttvAttributeValue value;
1884   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
1885   GtkWidget * tool_menu_title_menu, *insert_view, *pixmap, *tmp;
1886
1887   g_assert(lttv_iattribute_find_by_path(attributes,
1888            "viewers/menu", LTTV_POINTER, &value));
1889   menu = (LttvMenus*)*(value.v_pointer);
1890
1891   if(menu){
1892     for(i=0;i<menu->len;i++){
1893       menu_item = &g_array_index(menu, lttv_menu_closure, i);
1894       tmp = g_hash_table_lookup(mw->hash_menu_item, g_strdup(menu_item->menuText));
1895       if(tmp)continue;
1896       constructor = menu_item->con;
1897       tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
1898       insert_view = gtk_menu_item_new_with_mnemonic (menu_item->menuText);
1899       gtk_widget_show (insert_view);
1900       gtk_container_add (GTK_CONTAINER (tool_menu_title_menu), insert_view);
1901       g_signal_connect ((gpointer) insert_view, "activate",
1902                         G_CALLBACK (insert_viewer_wrap),
1903                         constructor);
1904       g_hash_table_insert(mw->hash_menu_item, g_strdup(menu_item->menuText),
1905                           insert_view);
1906     }
1907   }
1908
1909   g_assert(lttv_iattribute_find_by_path(attributes,
1910            "viewers/toolbar", LTTV_POINTER, &value));
1911   toolbar = (LttvToolbars*)*(value.v_pointer);
1912
1913   if(toolbar){
1914     for(i=0;i<toolbar->len;i++){
1915       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
1916       tmp = g_hash_table_lookup(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip));
1917       if(tmp)continue;
1918       constructor = toolbar_item->con;
1919       tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
1920       pixbuf = gdk_pixbuf_new_from_xpm_data ((const char**)toolbar_item->pixmap);
1921       pixmap = gtk_image_new_from_pixbuf(pixbuf);
1922       insert_view = gtk_toolbar_append_element (GTK_TOOLBAR (tool_menu_title_menu),
1923                                                 GTK_TOOLBAR_CHILD_BUTTON,
1924                                                 NULL,
1925                                                 "",
1926                                                 toolbar_item->tooltip, NULL,
1927                                                 pixmap, NULL, NULL);
1928       gtk_label_set_use_underline (GTK_LABEL (((GtkToolbarChild*) (g_list_last (GTK_TOOLBAR (tool_menu_title_menu)->children)->data))->label), TRUE);
1929       gtk_widget_show (insert_view);
1930       gtk_container_set_border_width (GTK_CONTAINER (insert_view), 1);
1931       g_signal_connect ((gpointer) insert_view, "clicked",G_CALLBACK (insert_viewer_wrap),constructor);
1932       g_hash_table_insert(mw->hash_toolbar_item, g_strdup(toolbar_item->tooltip),
1933                           insert_view);
1934     }
1935   }
1936 }
1937
1938
1939 /* Create a main window
1940  */
1941
1942 void construct_main_window(MainWindow * parent)
1943 {
1944   g_debug("construct_main_window()");
1945   GtkWidget  * new_window; /* New generated main window */
1946   MainWindow * new_m_window;/* New main window structure */
1947   GtkNotebook * notebook;
1948   LttvIAttribute *attributes =
1949           LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
1950   LttvAttributeValue value;
1951
1952   new_m_window = g_new(MainWindow, 1);
1953
1954   // Add the object's information to the module's array
1955   g_main_window_list = g_slist_append(g_main_window_list, new_m_window);
1956
1957
1958   new_window  = create_MWindow();
1959   gtk_widget_show (new_window);
1960
1961   new_m_window->mwindow = new_window;
1962   new_m_window->tab = NULL;
1963   new_m_window->current_tab = NULL;
1964   new_m_window->attributes = attributes;
1965
1966   new_m_window->hash_menu_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1967                                               main_window_destroy_hash_key,
1968                                               main_window_destroy_hash_data);
1969   new_m_window->hash_toolbar_item = g_hash_table_new_full (g_str_hash, g_str_equal,
1970                                               main_window_destroy_hash_key,
1971                                               main_window_destroy_hash_data);
1972
1973   insert_menu_toolbar_item(new_m_window, NULL);
1974
1975   g_object_set_data(G_OBJECT(new_window), "mainWindow", (gpointer)new_m_window);
1976   //create a default tab
1977   notebook = (GtkNotebook *)lookup_widget(new_m_window->mwindow, "MNotebook");
1978   if(notebook == NULL){
1979     g_printf("Notebook does not exist\n");
1980     return;
1981   }
1982   //for now there is no name field in LttvTraceset structure
1983   //Use "Traceset" as the label for the default tab
1984   create_tab(parent, new_m_window, notebook, "Traceset");
1985
1986   g_object_set_data_full(
1987                         G_OBJECT(new_m_window->mwindow),
1988                         "Main_Window_Data",
1989                         new_m_window,
1990                         (GDestroyNotify)main_window_free);
1991
1992   g_win_count++;
1993 }
1994
1995
1996 /* Free the memory occupied by a tab structure
1997  * destroy the tab
1998  */
1999
2000 void tab_destructor(Tab * tab_instance)
2001 {
2002   int i, nb, ref_count;
2003   LttvTrace * trace;
2004
2005   if(tab_instance->attributes)
2006     g_object_unref(tab_instance->attributes);
2007
2008   if(tab_instance->mw->tab == tab_instance){
2009     tab_instance->mw->tab = tab_instance->next;
2010   }else{
2011     Tab * tmp1, *tmp = tab_instance->mw->tab;
2012     while(tmp != tab_instance){
2013       tmp1 = tmp;
2014       tmp = tmp->next;
2015     }
2016     tmp1->next = tab_instance->next;
2017   }
2018
2019   if(tab_instance->traceset_info->traceset_context != NULL){
2020     //remove state update hooks
2021     lttv_state_remove_event_hooks(
2022          (LttvTracesetState*)tab_instance->traceset_info->
2023                               traceset_context);
2024     lttv_context_fini(LTTV_TRACESET_CONTEXT(tab_instance->traceset_info->
2025                                             traceset_context));
2026     g_object_unref(tab_instance->traceset_info->traceset_context);
2027   }
2028   if(tab_instance->traceset_info->traceset != NULL) {
2029     nb = lttv_traceset_number(tab_instance->traceset_info->traceset);
2030     for(i = 0 ; i < nb ; i++) {
2031       trace = lttv_traceset_get(tab_instance->traceset_info->traceset, i);
2032       ref_count = lttv_trace_get_ref_number(trace);
2033       if(ref_count <= 1){
2034         ltt_trace_close(lttv_trace(trace));
2035         lttv_trace_destroy(trace);
2036       }
2037       //      lttv_trace_destroy(trace);
2038     }
2039   }
2040   lttv_traceset_destroy(tab_instance->traceset_info->traceset);
2041   g_array_free(tab_instance->time_requests, TRUE);
2042   g_free(tab_instance->traceset_info);
2043   g_free(tab_instance);
2044 }
2045
2046
2047 /* Create a tab and insert it into the current main window
2048  */
2049
2050 void * create_tab(MainWindow * parent, MainWindow* current_window,
2051                   GtkNotebook * notebook, char * label)
2052 {
2053   GList * list;
2054   Tab * tmp_tab;
2055   MainWindow * mw_data = current_window;
2056   LttTime tmp_time;
2057
2058   //create a new tab data structure
2059   tmp_tab = mw_data->tab;
2060   while(tmp_tab && tmp_tab->next) tmp_tab = tmp_tab->next;
2061   if(!tmp_tab){
2062     mw_data->current_tab = NULL;
2063     tmp_tab = g_new(Tab,1);
2064     mw_data->tab = tmp_tab;
2065   }else{
2066     tmp_tab->next = g_new(Tab,1);
2067     tmp_tab = tmp_tab->next;
2068   }
2069
2070   //construct and initialize the traceset_info
2071   tmp_tab->traceset_info = g_new(TracesetInfo,1);
2072   if(parent){
2073     if(parent->current_tab){
2074       tmp_tab->traceset_info->traceset =
2075                       lttv_traceset_new();
2076         //FIXME lttv_traceset_copy(parent->current_tab->traceset_info->traceset);
2077     }else{
2078       tmp_tab->traceset_info->traceset = lttv_traceset_new();
2079     }
2080
2081   }else{  /* Initial window */
2082     if(mw_data->current_tab){
2083       tmp_tab->traceset_info->traceset =
2084                       lttv_traceset_new();
2085         //FIXME lttv_traceset_copy(mw_data->current_tab->traceset_info->traceset);
2086     }else{
2087       tmp_tab->traceset_info->traceset = lttv_traceset_new();
2088       /* Add the command line trace */
2089       if(g_init_trace != NULL){
2090         lttv_traceset_add(tmp_tab->traceset_info->traceset, g_init_trace);
2091       }
2092     }
2093   }
2094
2095   //FIXME copy not implemented in lower level
2096   tmp_tab->traceset_info->traceset_context =
2097     g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
2098   g_assert(tmp_tab->traceset_info->traceset_context != NULL);
2099   lttv_context_init(
2100             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context),
2101                                   tmp_tab->traceset_info->traceset);
2102   //add state update hooks
2103   lttv_state_add_event_hooks(
2104        (LttvTracesetState*)tmp_tab->traceset_info->traceset_context);
2105
2106   //determine the current_time and time_window of the tab
2107   if(mw_data->current_tab){
2108     // Will have to read directly at the main window level, as we want
2109     // to be able to modify a traceset on the fly.
2110     tmp_tab->time_window      = mw_data->current_tab->time_window;
2111     tmp_tab->current_time     = mw_data->current_tab->current_time;
2112   }else{
2113     // Will have to read directly at the main window level, as we want
2114     // to be able to modify a traceset on the fly.
2115     // get_traceset_time_span(mw_data,&tmp_tab->traceStartTime, &tmp_tab->traceEndTime);
2116     tmp_tab->time_window.start_time   =
2117             LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime;
2118     if(DEFAULT_TIME_WIDTH_S <
2119               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec)
2120       tmp_time.tv_sec = DEFAULT_TIME_WIDTH_S;
2121     else
2122       tmp_time.tv_sec =
2123               LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->endTime.tv_sec;
2124     tmp_time.tv_nsec = 0;
2125     tmp_tab->time_window.time_width = tmp_time ;
2126     tmp_tab->current_time.tv_sec =
2127        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_sec;
2128     tmp_tab->current_time.tv_nsec =
2129        LTTV_TRACESET_CONTEXT(tmp_tab->traceset_info->traceset_context)->Time_Span->startTime.tv_nsec;
2130   }
2131   /* Become the current tab */
2132   mw_data->current_tab = tmp_tab;
2133
2134   tmp_tab->attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
2135   tmp_tab->multi_vpaned = (GtkMultiVPaned*)gtk_multi_vpaned_new();
2136   tmp_tab->multi_vpaned->mw = mw_data;
2137   gtk_widget_show((GtkWidget*)tmp_tab->multi_vpaned);
2138   tmp_tab->next = NULL;
2139   tmp_tab->mw   = mw_data;
2140
2141   tmp_tab->label = gtk_label_new (label);
2142   gtk_widget_show (tmp_tab->label);
2143
2144   tmp_tab->time_requests = g_array_new(FALSE, FALSE, sizeof(TimeRequest));
2145   tmp_tab->time_request_pending = FALSE;
2146
2147   g_object_set_data_full(
2148            G_OBJECT(tmp_tab->multi_vpaned),
2149            "Tab_Info",
2150            tmp_tab,
2151            (GDestroyNotify)tab_destructor);
2152
2153  //insert tab into notebook
2154   gtk_notebook_append_page(notebook, (GtkWidget*)tmp_tab->multi_vpaned, tmp_tab->label);
2155   list = gtk_container_get_children(GTK_CONTAINER(notebook));
2156   gtk_notebook_set_current_page(notebook,g_list_length(list)-1);
2157   // always show : not if(g_list_length(list)>1)
2158   gtk_notebook_set_show_tabs(notebook, TRUE);
2159
2160 }
2161
2162
2163 /* Remove menu entry and tool button from main window for the
2164  * unloaded  module
2165  */
2166
2167 void remove_menu_item(gpointer main_win, gpointer user_data)
2168 {
2169   MainWindow * mw = (MainWindow *) main_win;
2170   lttv_menu_closure *menu_item = (lttv_menu_closure *)user_data;
2171   GtkWidget * tool_menu_title_menu, *insert_view;
2172
2173   tool_menu_title_menu = lookup_widget(mw->mwindow,"ToolMenuTitle_menu");
2174   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_menu_item,
2175                                                 menu_item->menuText);
2176   if(insert_view){
2177     g_hash_table_remove(mw->hash_menu_item, menu_item->menuText);
2178     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2179   }
2180 }
2181
2182 void remove_toolbar_item(gpointer main_win, gpointer user_data)
2183 {
2184   MainWindow * mw = (MainWindow *) main_win;
2185   lttv_toolbar_closure *toolbar_item = (lttv_toolbar_closure *)user_data;
2186   GtkWidget * tool_menu_title_menu, *insert_view;
2187
2188
2189   tool_menu_title_menu = lookup_widget(mw->mwindow,"MToolbar1");
2190   insert_view = (GtkWidget*)g_hash_table_lookup(mw->hash_toolbar_item,
2191                                                 toolbar_item->tooltip);
2192   if(insert_view){
2193     g_hash_table_remove(mw->hash_toolbar_item, toolbar_item->tooltip);
2194     gtk_container_remove (GTK_CONTAINER (tool_menu_title_menu), insert_view);
2195   }
2196 }
2197
2198 /**
2199  * Remove menu and toolbar item when a module unloaded from all
2200  * main windows
2201  */
2202
2203 void main_window_remove_menu_item(lttvwindow_viewer_constructor constructor)
2204 {
2205   int i;
2206   LttvMenus * menu;
2207   lttv_menu_closure *menu_item;
2208   LttvAttributeValue value;
2209   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2210
2211   g_assert(lttv_iattribute_find_by_path(attributes,
2212            "viewers/menu", LTTV_POINTER, &value));
2213   menu = (LttvMenus*)*(value.v_pointer);
2214
2215   if(menu){
2216     for(i=0;i<menu->len;i++){
2217       menu_item = &g_array_index(menu, lttv_menu_closure, i);
2218       if(menu_item->con != constructor) continue;
2219       if(g_main_window_list){
2220         g_slist_foreach(g_main_window_list, remove_menu_item, menu_item);
2221       }
2222       break;
2223     }
2224   }
2225
2226 }
2227
2228 void main_window_remove_toolbar_item(lttvwindow_viewer_constructor constructor)
2229 {
2230   int i;
2231   LttvToolbars * toolbar;
2232   lttv_toolbar_closure *toolbar_item;
2233   LttvAttributeValue value;
2234   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
2235
2236   g_assert(lttv_iattribute_find_by_path(attributes,
2237            "viewers/toolbar", LTTV_POINTER, &value));
2238   toolbar = (LttvToolbars*)*(value.v_pointer);
2239
2240   if(toolbar){
2241     for(i=0;i<toolbar->len;i++){
2242       toolbar_item = &g_array_index(toolbar, lttv_toolbar_closure, i);
2243       if(toolbar_item->con != constructor) continue;
2244       if(g_main_window_list){
2245         g_slist_foreach(g_main_window_list, remove_toolbar_item, toolbar_item);
2246       }
2247       break;
2248     }
2249   }
2250 }
2251
2252 /**
2253  * Function to show each viewer in the current tab.
2254  * It will be called by main window, call show on each registered viewer,
2255  * will call process traceset and then it will
2256  * @param main_win the main window the viewer belongs to.
2257  */
2258 //FIXME Only one time request maximum for now!
2259 void show_viewer(MainWindow *main_win)
2260 {
2261   LttvAttributeValue value;
2262   LttvHooks * tmp;
2263   int i;
2264   LttvTracesetContext * tsc =
2265               (LttvTracesetContext*)main_win->current_tab->
2266                                       traceset_info->traceset_context;
2267
2268   g_assert(lttv_iattribute_find_by_path(main_win->current_tab->attributes,
2269            "hooks/showviewer", LTTV_POINTER, &value));
2270   tmp = (LttvHooks*)*(value.v_pointer);
2271   if(tmp == NULL)
2272   {
2273     g_warning("The viewer(s) did not add any show hook");
2274     return;
2275   }
2276
2277
2278   // Call the show, where viewers add hooks to context and fill the
2279   // time and number of events requested it the time_requests GArray.
2280   lttv_hooks_call(tmp, NULL);
2281
2282
2283 }
2284
2285
2286 gboolean execute_time_requests(MainWindow * mw)
2287 {
2288   call_pending_read_hooks(mw);
2289
2290   return FALSE; // automatically removed from the list of event sources
2291 }
2292